Provides a way to handle MPEG-TS descriptors found on Digital TV streams. More...

#include <unistd.h>
#include <stdint.h>
#include <arpa/inet.h>

Include dependency graph for descriptors.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	dvb_desc
	Linked list containing the several descriptors found on a MPEG-TS table. More...

struct	dvb_descriptor
	Contains the parser information for the MPEG-TS parser code. More...

Macros
#define	DVB_MAX_PAYLOAD_PACKET_SIZE
	Maximum size of a table session to be parsed. More...

#define	DVB_CRC_SIZE
	number of bytes for the descriptor's CRC check More...

Typedefs
typedef void(*	dvb_table_init_func )(struct dvb_v5_fe_parms parms, const uint8_t buf, ssize_t buflen, void **table)
	Function prototype for a function that initializes the descriptors parsing on a table. More...

typedef int(*	dvb_desc_init_func )(struct dvb_v5_fe_parms parms, const uint8_t buf, struct dvb_desc *desc)
	Function prototype for the descriptors parsing init code. More...

typedef void(*	dvb_desc_print_func )(struct dvb_v5_fe_parms parms, const struct dvb_desc desc)
	Function prototype for the descriptors parsing print code. More...

typedef void(*	dvb_desc_free_func )(struct dvb_desc *desc)
	Function prototype for the descriptors memory free code. More...

Enumerations
enum	descriptors { video_stream_descriptor, audio_stream_descriptor, hierarchy_descriptor, registration_descriptor, ds_alignment_descriptor, target_background_grid_descriptor, video_window_descriptor, conditional_access_descriptor, iso639_language_descriptor, system_clock_descriptor, multiplex_buffer_utilization_descriptor, copyright_descriptor, maximum_bitrate_descriptor, private_data_indicator_descriptor, smoothing_buffer_descriptor, std_descriptor, ibp_descriptor, mpeg4_video_descriptor, mpeg4_audio_descriptor, iod_descriptor, sl_descriptor, fmc_descriptor, external_es_id_descriptor, muxcode_descriptor, fmxbuffersize_descriptor, multiplexbuffer_descriptor, content_labeling_descriptor, metadata_pointer_descriptor, metadata_descriptor, metadata_std_descriptor, AVC_video_descriptor, ipmp_descriptor, AVC_timing_and_HRD_descriptor, mpeg2_aac_audio_descriptor, flexmux_timing_descriptor, network_name_descriptor, service_list_descriptor, stuffing_descriptor, satellite_delivery_system_descriptor, cable_delivery_system_descriptor, VBI_data_descriptor, VBI_teletext_descriptor, bouquet_name_descriptor, service_descriptor, country_availability_descriptor, linkage_descriptor, NVOD_reference_descriptor, time_shifted_service_descriptor, short_event_descriptor, extended_event_descriptor, time_shifted_event_descriptor, component_descriptor, mosaic_descriptor, stream_identifier_descriptor, CA_identifier_descriptor, content_descriptor, parental_rating_descriptor, teletext_descriptor, telephone_descriptor, local_time_offset_descriptor, subtitling_descriptor, terrestrial_delivery_system_descriptor, multilingual_network_name_descriptor, multilingual_bouquet_name_descriptor, multilingual_service_name_descriptor, multilingual_component_descriptor, private_data_specifier_descriptor, service_move_descriptor, short_smoothing_buffer_descriptor, frequency_list_descriptor, partial_transport_stream_descriptor, data_broadcast_descriptor, scrambling_descriptor, data_broadcast_id_descriptor, transport_stream_descriptor, DSNG_descriptor, PDC_descriptor, AC_3_descriptor, ancillary_data_descriptor, cell_list_descriptor, cell_frequency_link_descriptor, announcement_support_descriptor, application_signalling_descriptor, adaptation_field_data_descriptor, service_identifier_descriptor, service_availability_descriptor, default_authority_descriptor, related_content_descriptor, TVA_id_descriptor, content_identifier_descriptor, time_slice_fec_identifier_descriptor, ECM_repetition_rate_descriptor, S2_satellite_delivery_system_descriptor, enhanced_AC_3_descriptor, DTS_descriptor, AAC_descriptor, XAIT_location_descriptor, FTA_content_management_descriptor, extension_descriptor, CUE_identifier_descriptor, extended_channel_name, service_location, component_name_descriptor, logical_channel_number_descriptor, carousel_id_descriptor, association_tag_descriptor, deferred_association_tags_descriptor, hierarchical_transmission_descriptor, digital_copy_control_descriptor, network_identifier_descriptor, partial_transport_stream_time_descriptor, audio_component_descriptor, hyperlink_descriptor, target_area_descriptor, data_contents_descriptor, video_decode_control_descriptor, download_content_descriptor, CA_EMM_TS_descriptor, CA_contract_information_descriptor, CA_service_descriptor, TS_Information_descriptior, extended_broadcaster_descriptor, logo_transmission_descriptor, basic_local_event_descriptor, reference_descriptor, node_relation_descriptor, short_node_information_descriptor, STC_reference_descriptor, series_descriptor, event_group_descriptor, SI_parameter_descriptor, broadcaster_Name_Descriptor, component_group_descriptor, SI_prime_TS_descriptor, board_information_descriptor, LDT_linkage_descriptor, connected_transmission_descriptor, content_availability_descriptor, service_group_descriptor, carousel_compatible_composite_descriptor, conditional_playback_descriptor, ISDBT_delivery_system_descriptor, partial_reception_descriptor, emergency_information_descriptor, data_component_descriptor, system_management_descriptor, atsc_stuffing_descriptor, atsc_ac3_audio_descriptor, atsc_caption_service_descriptor, atsc_content_advisory_descriptor, atsc_extended_channel_descriptor, atsc_service_location_descriptor, atsc_time_shifted_service_descriptor, atsc_component_name_descriptor, atsc_DCC_departing_request_descriptor, atsc_DCC_arriving_request_descriptor, atsc_redistribution_control_descriptor, atsc_ATSC_private_information_descriptor, atsc_genre_descriptor }
	List containing all descriptors used by Digital TV MPEG-TS. More...

Functions
uint32_t	dvb_bcd (uint32_t bcd)
	Converts from BCD to CPU integer internal representation. More...

void	dvb_hexdump (struct dvb_v5_fe_parms parms, const char prefix, const unsigned char *buf, int len)
	dumps data into the logs in hexadecimal format More...

int	dvb_desc_parse (struct dvb_v5_fe_parms parms, const uint8_t buf, uint16_t buflen, struct dvb_desc **head_desc)
	parse MPEG-TS descriptors More...

void	dvb_desc_free (struct dvb_desc **list)
	frees a dvb_desc linked list More...

void	dvb_desc_print (struct dvb_v5_fe_parms parms, struct dvb_desc desc)
	prints the contents of a struct dvb_desc linked list More...

Variables
const dvb_table_init_func	dvb_table_initializers [256]
	Table with all possible descriptors. More...

const struct dvb_descriptor	dvb_descriptors []
	Contains the parsers for the several descriptors. More...

Detailed Description

Provides a way to handle MPEG-TS descriptors found on Digital TV streams.

Copyright: GNU Lesser General Public License version 2.1 (LGPLv2.1)

Author: Mauro Carvalho Chehab; Andre Roth

Relevant specs

The descriptors herein are defined on the following specs:

ISO/IEC 13818-1
ETSI EN 300 468 V1.11.1 (2010-04)
SCTE 35 2004
http://www.etherguidesystems.com/Help/SDOs/ATSC/Semantics/Descriptors/Default.aspx
http://www.coolstf.com/tsreader/descriptors.html
ABNT NBR 15603-1 2007
ATSC A/65:2009 spec

Bug Report: Please submit bug reports and patches to linux.nosp@m.-med.nosp@m.ia@vg.nosp@m.er.k.nosp@m.ernel.nosp@m..org

Definition in file descriptors.h.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description